2028820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 4512564

約数和(自身を除く): 2483744

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 281, 361, 380, 562, 722, 1124, 1405, 1444, 1805, 2810, 3610, 5339, 5620, 7220, 10678, 21356, 26695, 53390, 101441, 106780, 202882, 405764, 507205, 1014410, 2028820]

約数ペア:

[(1, 2028820), (2, 1014410), (4, 507205), (5, 405764), (10, 202882), (19, 106780), (20, 101441), (38, 53390), (76, 26695), (95, 21356), (190, 10678), (281, 7220), (361, 5620), (380, 5339), (562, 3610), (722, 2810), (1124, 1805), (1405, 1444)]